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authorSagi Grimberg <sagig@mellanox.com>2014-02-19 17:50:20 +0200
committerNicholas Bellinger <nab@linux-iscsi.org>2014-04-07 01:48:44 -0700
commit8085176fd9f62122aea094075d98177dac92b928 (patch)
treeef0a290f06b593db2c99215cc1358e42636b60ff /drivers/target/iscsi/iscsi_target_tpg.c
parent5b168dcd6aa69f7421a7738eada749d376dd1253 (diff)
Target/configfs: Expose iSCSI network portal group T10-PI support
User may enable T10-PI support per network portal group. any connection established on top of it, will be required to serve protected transactions. Signed-off-by: Sagi Grimberg <sagig@mellanox.com> Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Diffstat (limited to 'drivers/target/iscsi/iscsi_target_tpg.c')
-rw-r--r--drivers/target/iscsi/iscsi_target_tpg.c19
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/target/iscsi/iscsi_target_tpg.c b/drivers/target/iscsi/iscsi_target_tpg.c
index 76c2b2403ed6..eb96b20dc09e 100644
--- a/drivers/target/iscsi/iscsi_target_tpg.c
+++ b/drivers/target/iscsi/iscsi_target_tpg.c
@@ -860,3 +860,22 @@ int iscsit_ta_default_erl(
return 0;
}
+
+int iscsit_ta_t10_pi(
+ struct iscsi_portal_group *tpg,
+ u32 flag)
+{
+ struct iscsi_tpg_attrib *a = &tpg->tpg_attrib;
+
+ if ((flag != 0) && (flag != 1)) {
+ pr_err("Illegal value %d\n", flag);
+ return -EINVAL;
+ }
+
+ a->t10_pi = flag;
+ pr_debug("iSCSI_TPG[%hu] - T10 Protection information bit:"
+ " %s\n", tpg->tpgt, (a->t10_pi) ?
+ "ON" : "OFF");
+
+ return 0;
+}